From d80f362a2be688098b9fb3c3cbcbe1c32b31eb92 Mon Sep 17 00:00:00 2001
From: Thanos Tsakiris <t.than.ud@gmail.com>
Date: Wed, 8 Mar 2017 15:55:28 +0200
Subject: [PATCH] Adjust CC26xx/CC13xx ADC reading for gain and offset

---
 cpu/cc26xx-cc13xx/dev/adc-sensor.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/cpu/cc26xx-cc13xx/dev/adc-sensor.c b/cpu/cc26xx-cc13xx/dev/adc-sensor.c
index 3ccf90e6d..1bf6c291e 100644
--- a/cpu/cc26xx-cc13xx/dev/adc-sensor.c
+++ b/cpu/cc26xx-cc13xx/dev/adc-sensor.c
@@ -107,7 +107,7 @@ static int
 value(int type)
 {
   if(type == ADC_SENSOR_VALUE) {
-    int val;
+    int val, adj_val, adj_mv;
 
     if(!is_active) {
       puts("ADC not active");
@@ -119,10 +119,15 @@ value(int type)
 
     ti_lib_aux_adc_gen_manual_trigger();
     val = ti_lib_aux_adc_read_fifo();
-
+    adj_val = ti_lib_aux_adc_adjust_value_for_gain_and_offset(
+        	val,
+        	ti_lib_aux_adc_get_adjustment_gain(AUXADC_REF_FIXED),
+    		ti_lib_aux_adc_get_adjustment_offset(AUXADC_REF_FIXED) );
+    adj_mv = ti_lib_aux_adc_value_to_microvolts(AUXADC_FIXED_REF_VOLTAGE_NORMAL, adj_val);
+    
     ti_lib_aux_adc_disable();
 
-    return val;
+    return adj_mv;
   }
 
   return 0;